.nav .list-wrap {
    align-items: center;
}

.nav .list-wrap li {
    font-size: 18px;
    font-weight: 700;
}

.nav .list-wrap .buy_now {
    font-size: 13px;
    font-weight: 400;
    border: 1px solid #000;
    border-radius: 3px;
    width: 130px;
    text-align: center;
    line-height: 28px;
    font-weight: 600;
}

.nav .list-wrap .buy_now:hover a {
    /* text-decoration: underline; */
    box-shadow: 0 1px 0 #000
}

.bgnavbar {
    position: relative;
}

.bgnavbar img {
    width: 100%;
}

.bgnavbar .searchBar {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.bgnavbar .searchBar h2 {
    font-size: 40px;
    color: #fff;
    font-weight: 200;
    margin-bottom: 30px;
}

.bgnavbar .searchBar input {
    width: 760px;
    height: 45px;
    outline: none;
    padding: 0 20px;
}

.bgnavbar .searchBar input::-webkit-input-placeholder {
    font-size: 18px;
    margin-top: 10px;
}

.bgnavbar .searchBar i {
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    position: absolute;
    top: 72%;
    left: 95%;
    color: #0067b8;
    transform: rotate(180deg);
}

.iconbar {
    padding: 50px 5%;
}

.iconbar ul {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.iconbar ul li {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
    padding: 15px 0;
}

.iconbar ul li:hover {
    box-shadow: 0 0 4px 2px rgb(0 0 0 /16%);
}

.iconbar ul li img {
    width: 50px;
    height: 50px;
}

.iconbar ul li span {
    margin-top: 10px;
    font-weight: 200;
}

.hotTheme {
    padding: 50px 5%;
}

.hotTheme h4 {
    text-align: center;
    font-size: 34px;
    font-weight: 400;
    margin-bottom: 50px;
}

.hotTheme ul li {
    display: flex;
    width: 100%;
    justify-content: center;
    margin: 15px 0;
}

.hotTheme ul li a {
    width: 25%;
    color: #0067b8;
}

.hotTheme ul li a:hover {
    text-decoration: underline;
}

.use {
    display: flex;
    padding: 50px 5%;
}

.use .useTv {
    width: 50%;
}

.use .useTv video {
    width: 100%;
}

.use .useTitle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 50%;
    padding: 0 80px;
}

.use .useTitle>h4 {
    font-size: 38px;
    font-weight: 300;
}

.use .useTitle>p {
    font-size: 18px;
    margin: 20px 0;
}

.use .useTitle>a {
    color: #0067b8;
    font-size: 15px;
}

.use .useTitle>a:hover>span {
    text-decoration: underline;
}

.use .useTitle>a i {
    font-size: 12px;
}

.use .useTitle>span {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    width: 240px;
    line-height: 40px;
    background-color: #005293;
    opacity: .9;
}

.use .useTitle>span:hover {
    opacity: 1;
}

.use .useTitle>span a {
    color: #fff;
}

.use .useTitle>span a i {
    font-size: 12px;
}

.study {
    padding: 50px 5%;
}

.study>h4 {
    text-align: center;
    font-size: 36px;
    font-weight: 200;
    margin-bottom: 20px;
}

.study ul {
    display: flex;
    flex-wrap: wrap;
}

.study ul li {
    display: flex;
    width: 50%;
    margin: 20px  0;
}

.study ul li .studyImg {
    width: 48%;
}
.study ul li .studyImg img {
    width: 100%;
}
.study ul li .studyText {
    width: 52%;
    padding:  0 30px;
}
.study ul li .studyText>h4 {
    font-size: 18px;
}
.study ul li .studyText>p {
    font-size: 15px;
    margin: 15px 0;
}
.study ul li .studyText>a {
    font-size: 15px;
    color: #005293;
}
.study ul li .studyText>a i {
    font-size: 12px;

}
.study ul li .studyText>a:hover span {
    text-decoration: underline;
}